"From this we may further conclude, that as the Soul acts not immediately upon Bone, Flesh, Blood &c. nor they upon that, so there must be some exquisitely small Particles, that are the Internuncii between them, by the help of which they manifest themselves to each other."

"And reflecting on what is transacted within us, it seems to me a very diverting Scene to think when we strive to recollect something that does not then occur; how nimbly those volatil Messengers of ours will beat through all the Paths, and hunt every Enclosure of the Organ set aside for thinking...

"We must consider the Soul as the Skill of an Artificer, whilst the Organs of the Body are her Tools; for as the Body and its most minute Spirits are wholly insignificant, and cannot perform that Operation which we call thinking without the Soul more than the Tools of an Artificer, can do anythin...